Tires are not made of plastic except for tires for toys, and some lawn mowers. Auto tires would be made of the very same thing they are made of now, Rubber. Of course a tire does contain some steel, polyester, or nylon, but it's main ingredient is rubber.
Rocks or wood just like in B.C.
Thousands of different car tires are made in America.
tires are made out of rubber, in a factory
Most car shells are made from pressed steel, some are made from plastics.
No, it's made out of different metals and plastics.
Car tires are made of latex rubber.
rubber
car tires
Rubber, fabric and steel, just like car tires.
Why would you? They're your tires, you bought them.
Car door panels may be made of a number of different materials. Most of these panels are made from metal or plastics.
If your numbers are correct you would get $263.50. But it may be that the scrap steel of cars sells for that price, in which case you would get less because the tires, glass, upholstery and plastics would not be included in the weight.
The best tires for a small car would be the ones that the car manufacturer recommends you use on the car. If you keep good tires on your car and check them every now and then you will get better gas mileage.